Combined type-writing and calculating machine.



PATENTED MAY 15, 1906.

I U. I. LAGANKE. COMBINED TYPE WRITING AND CALCULATING MACHINE.

APPLICATION FILED AUG. 24, 1905.

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I 0.1. LAGANKE. COMBINED TYPE WRITING AND CALCULATING MACHINE.

vAPPLICATION FILED AUG. 24, 1905.

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COMBINED TYPE WRITING AND GALGULATINGMAOHINB.

APPLICATION FILED AUG. 24, 1905.

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PATENTED MAY 15, 1906.

, 0'. F. LAGANKE. GOMBIN-ED TYPE WRITING AND CALCULATING MACHINE.

APPLIOATION FILED AUG. 24, 1905.

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|| II II n u aganlie awvwwboz q vi/tvmoow CHARLES FREDERICK LAGANKE, OFHARRISBURG, PENNSYLVANIA,

ASSIGNOR, TO ELLIOTT-FISHER COMPANY, OF A CORPORATION OF DELAWARE.

CQIVIBINED TYPE- WRITING Specification of Letters Patent.

NEW YORK, N. Y.,

AND 'CALCULATING MACHINE.

:atenteo. May 15, 1906.

Application filed August 1995. Seriai. No. 275, 80.

To all whmn z t 11w concern/.

Be it known that 1, CHARLES FREDERICK LAGANKE, a citizen of the UnitedStates, residing at Harrisburg, in the county of Dauphin and State ofPennsylvania, have invented a new and useful Combined Type-Writing andCalculating Machine, of which the following is a specification.

This invention relates to a combined typewriting and calculating machineof that particular character in which a book type-writer 'is equippedwith one or more computing devices or registers and with operatingconnections whereby the numeral-keys, besides performing their ordinaryfunctions in connection with the printing ofdigits, also efiect theoperation of the computing device or computing devices to compute thetotal or totals of numbers printed in one or more columns.

The primar objects of the present invention' are as fo lows: First, toprovide means for positively retaining the transfer-do s of thecomputing device in engagement with the number-whee s thereof while themachine is operating in the column to be computed; sec- 0nd, to providethe operating connections of the computing device with a dust case orguard and to equip. the computing device with a reading-glass supportedin a convenient position at some distance fromthe digits exhibited atthe sight-opening to magnify said digits and facilitate the readingthereof by the operator.

To the accomplishment of these objects the preferred embodiment of theinvention resides in the construction and arran ement of parts to behereinafter described, i lustrated in the accompanying drawings, anddefined in the ap ended claims.

In sai drawings, Figure 1 is a perspective view of an Elliott-Fisherbillin andaadding machine equipped in' accor ance with my invention.Fig. 2 is a plan'view of the machine. Fig. 3 is a sectional elevation,on a somewhat en arged scale, of the computing device, a portion of itsoperating mechanism, and certain associated parts. Fig. 4 is a1ongitudinal sectional View of the dust guard or case. Fig. 5 is atransverse section of the same, andFig. 6 is a detail'view of the devicefor insurin the engagement of the transferdogs with t e number-wheels,and Fig. 7 is a sectional view of the upper portion of the ma chine.

Each part is indicated by the same numeral throughout the views.

The Elliott-Fisher billing and adding ma chine, well known in the art,includes a billing-platen 1, adapted to support the paper and carrying amachine-frame 2, movable lengthwise of the platen for line-spacing andsupporting a traveling carriage 3, which sustains the key-operatedtype-writing. mechanism and is movable transversely of the platen forletter-spacing.

At the rear side of the machine-frame 2 is supported a guide-bar 4, uponwhich is adjustably mounted a computing device or reg ister 5. Withinthe casing of the computing device is mounted an al-ined series ofdenominational members or number-wheels 6, associated with transfermechanism which when any wheel has completed nine increments ofindependent movement will be automatically brought into action to imparta single increment of movement to the wheel of next highest order. Thiscarrying mechanism includes a series of transfer-levers 7, arranged tobe thrown down or depressed by projec tions 8 on the number-wheels.

Mounted in each transfer-lever is a pivoted carrying-dog 9, whichengages the next number-wheel to the left of the one which moves thetransfer-lever. Thus when a wheel is moving from 39 to 0 the projectionthereon engages and swings a transfer-lever 7 to cause the carrying-dog9 of said lever to advance the next adjacent number-wheel of higherorder. These features of the computing device are in common use andappear to require no further description for the purpose of the presentdisclosure.

The number-Wheels 6 are operated by a master-wheel 10, which is mountedon and moves With the carriage 3, being thus pre sented to successivenumber-wheels of the computing device as the printing-point of thetype-writing machine advances to successive denominational. ositions inthe column being totalized. he master-wheel 10 is operated from thenumeral-keys of the type writer by a series of operating connections,which may bedesignated as a whole by 11. These connections need not bespecifically described; but it'may be stated that, except for thedevices which couple said connections to the keys, they are locatedabove the cover-- late 12 of the casing of the carriage 3, est shown inFig. 1.

Extending rearwardly from the carriage 3 is a transfer-lever-depressingarm 13, which slightly depresses the transfer-levers to prevent clashingwhen one or more numberwheels are stopped in the 9 position.

The entire structure described being com- 111011 to the Elliott-Fisherbillin and adding machine of connnerce is only disclosed herein in ageneral way in order that. the utility of the structural features to bedescribed, and which constitute the present invention, may be fullyunderstood.

The transfer-dogs 9 are ounted in the transfer-levers 7, as heretoforestated, being pivoted at their upper ends, asindicated at 9*. Inaccordance with my present invention each dog is provided with atailpiece 14, extended upwardly from its upper end and longitudinallycurved to present it in concentric relation with the axis of thetransfer-lever. Cooperating with the tailpieces 14 is what may be termeda "transfer-dog-retaining bar 15, having beveled ends 16 (see Fig. 6)and preferably carried by the rear end of the lever-depressing arm 13.As the carriage advances the bar 15 travels across the series oftailpieces 14 of the transfer-dog 9, the relation of the parts beingshown at Fi It will be noted that the lower cm of each transfer-dogextends over a tooth of a num her-wheel and that in order for the dog todisengage itself its lower end must swing rearwardly. his movement ofthe dog is prevented by reason of the fact that the bar .15 obstructsthe forward movement of the tailpiece 14, and therefore after the barhas once engaged a tailpiece orarrived in a position opposite the samethe dog is incapable of such movement upon its own axis as wouldpermitits disengagement from the number-wheel while the transfer-leveroccupies its elevated or normal position. It should be particularlynoted, however, that the bar 15 does not prevent such movement of thetransfer lever and dog as is necessary to a carrying operation. Suchmovement of the parts is ermitted by reason of the fact that the taipiece 14 is concentric with the axis of the transfer-lever, andtherefore as the lever moves down in the act'of carrying the tailpieceof its dog simply moves longitudinally in an arcuate path, the lower endof the dog and the engaged tooth of the numberwheel gradually separatingby reason'of the divergence of their paths of movement. The

bar 15 not only prevents accidental disengagement of the transfer-dogsfrom the wheels, but actually serves to throw into more effectiveengagement a dog which may have moved bac more or less from the nationalwheels that actually carry and display the numbers or digits it notessential that these members possess either of these characteristics,since the invention resides in the cooperative relation between thesemembers arranged in different denominational positions and the variouselements specified regardless of the particular form of the members andequally regardless of whether or not they directly carry and display thedigits, it being common in this art to employ denomimembers of variousforms and equally common to display the digits upon carrierscooperatively related to the denomi national :members with which thecarrying I mechanism coacts.

In addition to the mechanism just described for insuring the engagementof the transferdogs and number-ivhccls while the masterwheel locatedopposite the register the present invention also contcn'iplatcs theprovision of a dust guard or case 17 for the operating connections ofthe con'iputing device. This case comprises a pair of pen-end frames1254, rising from the covenplate 12 adjacent to the opposite endsthereof, celluloid or other trans parent walls 19 closing the endframes, and an approximately semicylindrical transparent wall 20extending between the end frames and inclosing the operating connectionsof the computing device.

Each of the end frames 1.8 include an inner member 18 and an outermember 18, the inner member being comparatively still and the outermember preferably formed of sheet metal and having a flange 18overhanging the inner member and a foot-flange 18, which screwed orotherwise secured to the cover-plate 12. Each end wall 19 has its edgesclamped securely between the inner and outer members of an end frame,said "members being firmly connected by screws 21 or other retainingdevices. The c iposite ends of the wall 20 are securely clamped againstthe outer edges of the inner frame members lS -by the overhringing,llanges 18 of the adjacent outer members, hs clearly shown in Fig. 4.

In order to secure the greatest possible stability of this dust case orguard, and more particularly to prevent spreading of the end framesthereof, said frames are provided with depending lugs 22, screwed or oterwise secured to the endbrackets 23-of the com uting-deviceconnections. The rear edge 0 the wall. is secured to stiffening-plates24, notched to accommodate projecting portions of the operatingconnections orthe mount in s thereof-and having lugs 25 screwed orotherwise secured to the cover-plate 12 or other fixed part, as shownin- Fig. 4. The wall 20 of thedust-case is, also provided with openings26, through which project the 1naster-wheel 10 and other parts whichnecessarily engage and cooperate with elements of the computing device.The front edge of the wall 20 is secured, as by screws 27,110 brackets28, rigid with the cover-plate 12. (See Fig. 5.) The walls 19 and 20 ofthe dust case or guard are preferably, though not necessarily,transparent, as already stated, and while glass, mica, or other suitablematerial may be used I contemplate forming the walls of celluloid orsome similar compound.

' By providing the operating connections with a guard or case of thecharacter described the mechanism is kept clean and free from dust,although constantly open to view and readily accessible for repair.

Another feature of the present invention resides in the provision of areading-glass 29 mounted in a frame 30, secured at the upper end of astandard 31, having a foot 32 disposed at an angle to the standard andresting on the top of the com utin device 5. The foot 32 is provided Wita bi urcated rear end 33, which engages the shank of a headed screw 34,screwed into the computing-device casing, and in advance of itsbifurcated end the foot is provided with a longitudinal slot 35, havingan enlarged rear end designed to permit the passage of the head of asecond screw 36. By this arrangement it is possible to attach themounting of the reading-glass to the casing of the computing device orto effect its detachment therefrom without removing the screws, it beingsimply necessary to move the foot forwardly from the position shown inFig. 2 in order to bring the head of the screw 36 in coincidence withthe enlarged end of the slot when it is desired to remove the mountingor to reverse this opera tion in attaching the reading-glass to the easlvhen in proper position, the lass 29 is held in an elevated positionabove t e sight-opening 37 of the computing device and is given a pearsat this time to be preferable, I desire to reserve the right to effectsuch changes, modifications, and variations thereof as may come fairlyWithin the scope of the protection prayed.

What I claim is 1. The combination with a series of denominationalmembers and a'series of carrying devices each movable into and out ofengagement with a member, of means arranged to engage thecarryingdevices in succession to insure their engagement with said mem bers.

2. The combination with a seriesof denominational members, of a seriesof carrying devices engaging the members, and means presentable to thecarrying devices in succession to maintain the engagement thereof withsaid members.

3. The combination with a series of denominational members, of carryingmechanism therefor including transfer-dogs, and a device movable toengage successive dogs and insure the engagement thereof with saidmembers/ 4. The combination with a series of wheels,

of carrying mechanism including transfer members and transfer-dogsmovable on the members, a tailpiece carried by each dog, and meanscooperating with the tailpiece to positively resist premature movementof the transfer-dogs to inoperative positions.

5 The combination with a series of denominational members, of carryingmechanism associated therewith and including transfer-levers, pivotedtransfer-dogs mounted on the levers and engaging the denominationalmembers, tailpieces extended from the dogs, and means engaging thetailpieces to positively resist disengagement of the dogs from thedenominational members prior to the actuation of the transfer-levers.

o. The combination with a series of denominational members, of transfermechan the same, and means movable with the actuator to engagesuccessive carrying devices and to prevent premature disengagementthereof from the denominational members.

8. The combination with a, series of denominational members, a series ofcarrying devices therefor including pivoted dogs engaging said membersand having tailpieces, an actuator. movable to successive members andadaptedito move the same, and a retain- Lil ing-bar movable with theactuator and cooperating with the series of tailpieces extending i omthe transferdog. V

9. The combination with a series of de noininational members, a seriesof transfer levers therefor, dogs pivoted on the levers and havingtailpieces concentric with the axis of said levers, retaining meanscooperating with the tailpieces oi the dogs to prevent said dogs fromprematurely moving to their disengaging positions, without interferingwith the movement of the dogs when the transferlevers are operated.

10. The combination with a series of denominational members, of a seriesof carrying-dogs therefor, an actuator movable to successive members,and a bevel-ended bar movable with the actuator and cooperating with thedogs to insure their engagement with said members.

11. In a combined billing and adding machine, the combination with acomputing devicc,-of a traveling carriage, a series of keys and anactuator mounted on the'carriage,

operating connections intermediate of the actuator and keys, and acasing inclosing the operating connections and having the actua torprojected through the wall thereof to engage the computing device.

12. The combination with a computing de vice, of a plate, operatingconnections for the computing device mounted on the plate, and a dustguard or case also mounted on the plate and inclosing said operatingconnec tions, said guard or case comprising a pair of end frames risingfrom the plate and each including opposed members, transparent end wallsclamped between the members of the "respective end frames, a curved topwall having its opposite edges retalned between the members of theframes, and means for securing the opposite longitudinal edges of thetop wall to the plate.

13. The combination with a computing device, of a reading-glasstherefor, a frame in which the glass is mounted, a single standardsupporting the frame, a foot disposed at an angle to the lower end ofthe standard, and means for detachably securing said foot to thecomputing device.

14. The combination with a computing device, of a readingglass therefor,a standard supporting the computingdevice, a foot 10 ca ted at the lowerend of the standard and disposed at an angle thereto, said foot beingprovided with a bifurcated extremity and with a slot enlarged at oneend, and a pair of headed screws carried by the casing of the computingdevice and designed respectively to be received within the bifurcatedend of the foot and within the slot thereof.

15. The combination with a computing device, of a reading-glasstherefor, a single standard, a glass-supporting 'anie and an attachingfoot extending in opposite directions from the opposite ends of thestandard, and means for detachably securing the foot to the computingdevice.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in the presence of two witnesses.

CHARLES FREDERlCK LAGANKE. l/Vitnesses:

JNO. R. GEYER, P. H. TURLEY.

